Description: Generic Brand: Generic Model: Mathlink cubes Collectible: Yes Recommended age: 14 years or older Brand: Hand2mind Model: Mathlink cubes Age: Children Product type: Stackable Materials: Plastic Number of pieces: 251 Minimum recommended age - Maximum recommended age: 3 years - 10 years Length x Width x Height: 30 cm x 23 cm x 4 cm With lights: No With sound: No Includes batteries: No When children build their own number blocks from one to ten, they'll see how numbers really work.Numberblocks are friendly characters from the award-winning BBC TV series.Numberblocks MathLink Cubes bring maths learning to life as a hobby for children. Children will discover how numbers really work when they build their own number blocks from one to ten and connect them to the classic mathlink cubes. Each set creates all the friendly number block characters, so you can follow along with the show or play on your own! Each set includes 100 MathLink Numberblocks cubes, 59 panels, 54 stickers, 11 number cards, 11 character cards, 15 double-sided eraser activity cards, 1 zero holder, and 1 activity guide. Seller's Warranty: 30 days